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Page 603 - That co-operative agricultural extension work shall consist of the giving of instruction and practical demonstrations in agriculture and home economics to persons not attending or resident in said colleges in the several communities, and imparting to such persons information on said subjects through field demonstrations, publications, and otherwise...

Page 604 - ... this work shall be carried on in such manner as may be mutually agreed upon by the Secretary of Agriculture and the state agricultural college or colleges receiving the benefits of this act.

Page 603 - That in order to aid in acquiring and diffusing among the people of the United States useful and practical information on subjects connected with agriculture, and to promote scientific investigation and experiment respecting the principles and applications of agricultural science...

Page 254 - The maximum length of time that Trypanosoma evansi has been demonstrated microscopically in the gut of this species of fly after feeding on infected blood is thirty hours; the organisms were found in the fly's dejecta two and one-half hours after biting the infected animal; and suspensions of flies...

Page 384 - Spirochaeta suis is an obligatory anaerobic organism and usually requires several weeks' incubation for growth to take place on artificial culture medium. It may be transferred from generation to generation on artificial culture medium. Cultures containing the organism in the form of granules and spirochetes may be passed through bacteriaproof filters and the spirochetes removed, the few small granules which pass through being capable of producing hog cholera or resistance to the disease.

Page 124 - ... history. (2) Within wide limits the rate of growth of a plant varies with the concentration of the nutritive solution, irrespective of the total amount of plant food available. (3) When other conditions, such as the supply of nitrogen, water, and air, are equal, the growth of the crop will be determined by the concentration of the soil solution in phosphoric acid and potash which, in its turn, is determined by the amount of these substances in the soil, their state of combination, and the fertiliser...

Page 596 - ... home projects under a certificated teacher, will receive $100 and the teacher $75. To the school board which, in addition to the home projects, provides and maintains experimental and demonstration plats at or in connection with the school for the practical instruction of the pupils, an additional grant not to exceed $25 will be paid, and to the teacher an additional annual grant of $25. When the work is conducted by a county agricultural representative he will be paid the grants specified for...

Page 604 - ... additional, until a total of $4,100,000 is reached, which with the $480,000 makes a total of $4,580,000, and continues as a permanent annual appropriation. Unlike the initial appropriation of...

Page 209 - ... 30 minutes, shaking occasionally. Then add 50 cc. of 70 per cent. alcohol containing 1 per cent. by volume of hydrochloric acid (sp. gr. 1.16), shake well and again place in water at 17° to 19° for an hour.